42231304230133 has 2 divisors, whose sum is σ = 42231304230134. Its totient is φ = 42231304230132.

The previous prime is 42231304230107. The next prime is 42231304230169. The reversal of 42231304230133 is 33103240313224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31367806885809 + 10863497344324 = 5600697^2 + 3295982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42231304230133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42231304230095 and 42231304230104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42231304260133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115652115066 + 21115652115067.

It is an arithmetic number, because the mean of its divisors is an integer number (21115652115067).

Almost surely, 2^{42231304230133} is an apocalyptic number.

It is an amenable number.

42231304230133 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231304230133 is an equidigital number, since it uses as much as digits as its factorization.

42231304230133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 42231304230133 its reverse (33103240313224), we get a palindrome (75334544543357).

The spelling of 42231304230133 in words is "forty-two trillion, two hundred thirty-one billion, three hundred four million, two hundred thirty thousand, one hundred thirty-three".